Do not be sad about what you do not have. Instead, be happy about what you do have. If you will be sad about what you don't have, you will not be happy about what you do have.

And once he had seen this, he could never again see it otherwise, just as we cannot reconstruct an illusion once it has been explained.

There are two methods of human activity - and according to which one of these two kinds of activity people mainly follow, are there two kinds of people: One use their reason to learn what is good and what is bad and they act according to this knowledge; the other act as they want to and then they use their reason to prove that that which they did was good and that which they didn't do was bad.

There are as many loves as there are hearts.

Many families remain for years in the same place, though both husband and wife are sick of it, simply because there is neither complete division nor agreement between them.

A quiet secluded life in the country, with the possibility of being useful to people to whom it is easy to do good, and who are not accustomed to have it done to them; then work which one hopes may be of some use; then rest, nature, books, music, love for one's neighbor — such is my idea of happiness.

You say: I am not free. But I have raised and lowered my arm. Everyone understands that this illogical answer is an irrefutable proof of freedom.